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Model Services/DeepSeek/DeepSeek V4.1 Flash
deepseek

DeepSeek V4.1 Flash

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DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters on input and 16B on...

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Input, output, and cached rates with source and verification time, plus same-workload cost examples.
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Input / 1M tokens
$0.0030
Output / 1M tokens
$2.40
Record updated 2026-10-05
Modality:LLM
Context:1,048,576 tokens
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Pricing

Platform
Scope
Input
Output
Details
OpenRouter
Unified API Router
Standard
$0.0030
$2.40
1.0M context · 944k max output

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Latest changes

No recent changes.

Benchmarks

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⚡DeepSeek V4.1 Flash Comparisons & Scenario Guides

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❓DeepSeek V4.1 Flash Frequently Asked Questions

How much does DeepSeek V4.1 Flash cost per 1M tokens?▼

DeepSeek V4.1 Flash is priced at $0.0030 per 1M input tokens and $2.40 per 1M output tokens, with cached input at $0.0030/1M on openrouter. Check provider terms before deployment.

What is the context window for DeepSeek V4.1 Flash?▼

DeepSeek V4.1 Flash supports up to 1,048,576 tokens context with a max completion limit of 943,718 tokens.

What are cost-saving alternatives to DeepSeek V4.1 Flash?▼

ModelPriceLab automatically calculates cheaper alternatives in the same model class, showing monthly spend differences and migration guides.

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